| 摘要 |
In an image forming apparatus, a pre-transfer guide ( 50 ) is provided immediately before a transfer nip portion formed by an intermediate transferring belt ( 12 ) and a transferring roller ( 18 b). The pre-transfer guide ( 50 ) extends in a width direction of a sheet conveying path, and projections ( 50 b) are formed on opposite end portions of the pre-transfer guide ( 50 ) on sides outer than an area on which a sheet is conveyed. The intermediate transferring belt ( 12 ) is driven in a state where a tension is applied to some extent, so that it may bow in a thickness direction on a running path. However, in an area immediately before the transfer nip portion, the projections ( 50 b) retains a distance between the sheet and the intermediate transferring belt ( 12 ) to be greater than a predetermined distance.
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